/*
 * Copyright (2022) Bytedance Ltd. and/or its affiliates
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */


#include <CloudServices/RpcClientBase.h>

namespace brpc
{
    class Channel;
    class ChannelOptions;
    class Controller;
}

namespace DB
{
class RpcLeaderClientBase : public RpcClientBase
{
public:
    RpcLeaderClientBase(const String & log_prefix,
                        const String & host_port,
                        brpc::ChannelOptions * options_ = nullptr)
        : RpcClientBase(log_prefix, host_port, options_)
        , leader_host_port(host_port)
        , options(options_)
    {}

    RpcLeaderClientBase(const String & log_prefix,
                        HostWithPorts host_ports_,
                        brpc::ChannelOptions * options_ = nullptr)
        : RpcClientBase(log_prefix, host_ports_, options_)
        , options(options_)
    {}


protected:
    brpc::Channel & updateChannel(const String & host_port, brpc::ChannelOptions * options_ = nullptr);
    std::mutex host_port_mutex;
    String leader_host_port;
    brpc::ChannelOptions * options;

};
}
